Acoustic diaphragm

Details Acoustic diaphragm Acoustic diaphragm

1983-05-20

1985-05-21

O'Keefe, Veronica

Metal treatment

Stock

181157, 181167, 181168, 420401, G10K 1300

Patent

active

045184437

ABSTRACT:
An acoustic diaphragm formed of beryllium or an alloy composed mainly of beryllium. Said diaphragm has a crystal structure having its plane (1120) preferentially orientated in parallel with the surface of the diaphragm.

REFERENCES:
patent: 1759632 (1930-05-01), Scheuch
patent: 3322514 (1967-05-01), Krock et al.
patent: 4192695 (1980-03-01), Mahalla
patent: 4254184 (1981-03-01), Tsukagoshi et al.

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